Antimonic Acid Colloidal from Mexico
Colloidal antimonic acid (HSbO3·nH2O) used in flame retardants and catalysts. It is an inorganic oxygen compound of a non-metal, chemically defined despite its colloidal form, and classifiable under this tariff item as an 'other inorganic acid'.
Duty Rate — Mexico → Canada
0%
Import Tips
• Document the chemical composition and water content, as colloidal forms may be questioned by CBSA
• Verify that no organic stabilisers are present, which would exclude it from Chapter 28
• Check if the product requires a WHMIS safety data sheet for workplace handling